Ray J is going after Kim Kardashian and Kanye West while they're down.

The "I Hit It First" singer is again bringing up his 2003 sex tape with the reality star in a new diss track, "Famous," which shares a name with the Life of Pablo rapper's controversial song, features Chris Brown, and dropped on Monday on Apple Music, featuring shade directed at the whole Kardashian family.

"She f**k me for fame, look in her eyes / She was the first one to sign on the line," Ray J sings in the very NSFW song. "Look at the family, they walk around proud / All because she had my d**k in her mouth."

"Wanna have me in bed while you f**kin' your spouse," he continues. "Shows that you still a rat and your man Mickey Mouse."

Ray J was name-checked in Kanye's Life of Pablo album, and he promised a response track during an interview with Billboard after both he and Chris had lookalikes featured in Kanye's deeply unsettling "Famous" video.

Still the release of the track feels a little salty, as Kanye canceled his remaining Saint Pablo tour dates on Monday, following a series of onstage and online meltdowns.

The rapper was booed on stage two times last week during rants where he proclaimed his support for president-elect Donald Trump, as well as made remarks about Beyoncé and Jay Z.

“Beyoncé, I was hurt. 'Cause I heard that you said you wouldn't perform unless you won Video of the Year over me and over 'Hotline Bling,'" Kanye said at his Sacramento show, referencing this year's MTV Video Music Awards before cutting the show short. "Now don't go trying to diss Beyoncé. She is great. Taylor Swift is great. We are all great people. We are all people. But sometimes we be playing the politics too much and forgetting who we are just to win. F**k winning. F**k looking cool. F**k being cool.”

Meanwhile, Kim is set to make her first official public appearance since her Paris robbery. Sources tell ET the Keeping Up With the Kardashians star will honor her late father, Robert Kardashian, at the Angel Ball in New York City.